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WorksheetsGRADE 8-REVISION-2021(FORCE & PRESSURE)
Total questions: 10
Worksheet time: 13mins
A camel can walk in deserts more easily as compared to horse donkey and others because its
Feet are smaller
Weight is lesser
Feet are broader
Heavier body
Watch the green man. Which force(s) are acting in this situation?
Frictional Force only.
Gravitational Force only.
Muscular Force only.
Muscular and Gravitational Force.
You and your friend are playing tug of war. Your friend pulls with a force of 55 N to the right. You pull with a force of 65 N to the left. What is the net force on the rope?
20 N left
20 N right
10 N left
10 N right
A force F acts on 4 different objects, having areas given below. In which case, the pressure exerted will be maximum?
20m2
50m2
10m2
100m2
The pressure inside the syringe will decrease if we move the plunger in:
Direction A
Direction B
We don't have to move the plunger as the pressure will change on its own.
None of the above answers.
What is the value of atmospheric pressure at sea level ?
76 mm column of mercury
76 cm column of mercury
760 mm column of mercury
Both B) and C)
Two boys A and B are applying force on a block. If the block moves towards the boy A, which one of the following statements is correct?
Magnitude of force applied by A is greater than that of B.
Magnitude of force applied by A is smaller than that of B.
Net force on the block is towards B.
Magnitude of force applied by A is equal to that of B.
